package com.huike.web.controller.common;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.alibaba.excel.EasyExcel;
import com.huike.clues.domain.vo.TbClueExcelVo;
import com.huike.web.controller.common.converter.LocalDateTimeConverter;
import com.huike.web.controller.itheima.listener.EasyExcelListener;
import org.apache.tomcat.util.http.fileupload.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.ClassPathResource;
import org.springframework.http.MediaType;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import com.huike.clues.service.ISysFileService;
import com.huike.common.config.HuiKeConfig;
import com.huike.common.constant.Constants;
import com.huike.common.core.controller.BaseController;
import com.huike.common.core.domain.AjaxResult;
import com.huike.common.utils.StringUtils;
import com.huike.common.utils.file.FileUtils;

import java.io.*;
import java.util.List;

/**
 * 通用请求处理
 */
@RestController
public class CommonController extends BaseController {
    private static final Logger log = LoggerFactory.getLogger(CommonController.class);

    @Autowired
    private ISysFileService fileService;


    /**
     * 通用上传请求
     */
    @PostMapping("/common/upload")
    public AjaxResult uploadFile(MultipartFile file){
        try{
            // 上传文件路径
            return fileService.upload(file);
        }catch (Exception e){
            return AjaxResult.error(e.getMessage());
        }

    }



    @GetMapping("/common/download")
    public void downloadExport(HttpServletResponse response) throws IOException {

/*
        response.setHeader("Content-Disposition","attachment;filename=employee.xlsx");

            System.out.println("===读文件===");
            //待解析的文件路径
            String filePath1 =
                    "E:\\迅雷下载\\黑马\\资料\\58期共享\\CRM项目实战day05\\" +
                            "CRM项目实战day05\\线索数据\\2100clues.xlsx";
            File file = new File(filePath1);
            FileInputStream inputStream = new FileInputStream(file);



            EasyExcelListener easyExcelListener = new EasyExcelListener();
            EasyExcel.read(inputStream, TbClueExcelVo.class, easyExcelListener).
                    sheet().doRead();
            List<TbClueExcelVo> connectors = easyExcelListener.getDatas();

        ServletOutputStream outputStream = response.getOutputStream();
        EasyExcel.write(outputStream, TbClueExcelVo.class).registerConverter(new LocalDateTimeConverter()).sheet("员工数据").doWrite(connectors);

        outputStream.close();


            for (TbClueExcelVo connector : connectors) {
                System.out.println(connector);
            }
*/

        ClassPathResource classPathResource = new ClassPathResource("clues.xlsx");
        InputStream inputStream =classPathResource.getInputStream();

        response.setHeader("Content-Disposition","attachment;filename=clues.xlsx");
       /* String filePath1 =
                "E:\\迅雷下载\\黑马\\资料\\58期共享\\CRM项目实战day05\\CRM项目实战day05\\线索模板\\clues.xlsx";
        File file = new File(filePath1);
        FileInputStream inputStream = new FileInputStream(file);
        */
        ServletOutputStream outputStream = response.getOutputStream();
        IOUtils.copy(inputStream,outputStream);


        }



    }
